1252123 has 2 divisors, whose sum is σ = 1252124. Its totient is φ = 1252122.

The previous prime is 1252109. The next prime is 1252129. The reversal of 1252123 is 3212521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252123 - 2¹⁷ = 1121051 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1252097 and 1252106.

It is not a weakly prime, because it can be changed into another prime (1252129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626061 + 626062.

It is an arithmetic number, because the mean of its divisors is an integer number (626062).

2^1252123 is an apocalyptic number.

1252123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252123 is an equidigital number, since it uses as much as digits as its factorization.

1252123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 16.

The square root of 1252123 is about 1118.9830204252. The cubic root of 1252123 is about 107.7826848732.

Adding to 1252123 its reverse (3212521), we get a palindrome (4464644).

It can be divided in two parts, 12521 and 23, that added together give a square (12544 = 112²).

The spelling of 1252123 in words is "one million, two hundred fifty-two thousand, one hundred twenty-three".